3M Electrical Moisture Block (EMB) is a self fusing, rubber based insulating adhesive/selaant designed to prevent the migration of water along harness wiring. EMB block is supplied on a release liner and offered in three standard sizes to accommodate different size wire bundles. It is compatible with typical wire insulation such as PVC, Hypalon(R) and crosslinked polyethylene.
3M 09925, Electrical Moisture Block EMB-45R, 0.75 in X 100 ft X .045 in, Mastic Roll, Black, 7000058074
$172.19
Factory Stock, 7-10 Day Leadtime
3M Electrical Moisture Block (EMB) is a is a specially formulated rubber adhesive/sealant for moisture proofing wire bundles. Resistant to salt water, corrosive chemicals and automotive fluids. Flexible over a wide temperature range. Easily installed. Flame retardant.

Standard Abrasives 713638, Cartridge RoII Mandrel, 3/32 in x 3/4 in x 1/8 in x 1 in x 2-3/4 in CM-2B, 7010294964
3M 98877, General Use Flatback Tape 2515, Tan, 72 mm x 55 m, 12/Case, 7100048220
3M 16159, PTFE Glass Cloth Tape 5453, Brown, 3/4 in x 36 yd, 8.2 mil, 7000050132 
